APA način citiranja (7. izdanje)

Katz, W. A. (1991). Opportunities for reference services: The bright side of reference services in the 1990's. Haworth Press.

Čikaški stil citiranja (17. izdanje)

Katz, William A. Opportunities for Reference Services: The Bright Side of Reference Services in the 1990's. New York: Haworth Press, 1991.

MLA način citiranja (9. izdanje)

Katz, William A. Opportunities for Reference Services: The Bright Side of Reference Services in the 1990's. Haworth Press, 1991.